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Optoelectronic Switching in Digital Networks

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1 Author(s)
Macdonald, R. ; Comm. Research Centre, Dep. of Comm., Ottawa, Ont., Canada

The use of optoelectric switching matrices in digital networks is examined. The possibility of large very compact arrays is demonstrated. Design considerations are discussed for a switching node for broad-band digital signals at rates of 100 and 500 Mbits/s, with 100 inputs and 103outputs. A novel feature of optoelectronic switching is that power consumption tends to scale approximately linearly with array dimension, leading to potential advantages over electronic alternatives in large dimension high-rate switching matrices.

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Selected Areas in Communications, IEEE Journal on  (Volume:3 ,  Issue: 2 )